/Engine/Source/Runtime/AssetRegistry/Public/AssetRegistry/AssetRegistryState.h
Removes the asset data from the lookup maps
void RemoveAssetData ( [FAssetData](API\Runtime\CoreUObject\AssetRegistry\FAssetData) * AssetData, bool bRemoveDependencyData, bool & bOutRemovedAssetData, bool & bOutRemovedPackageData )